Last Retort

How to survive a nuclear bomb

3 April 2014 Last Retort

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Flash, blast and radiation – is it possible to live through a catastrophe?


Flashback

10 years ago: art analysis at the National Gallery

3 April 2014 Flashback

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Soap was found to have formed on the surface of some oil paintings

Puzzles

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Download the April set of puzzles

The winners of this month's puzzles will be published next month. For a chance to win a £25 book voucher please send your completed puzzles by 15 April.

Chemistry World Puzzle Answers
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